Fill in the Blanks Past Perfect: fill in the blanks to know more about the sequence of events in past. Use the words on the right.Online version Fill in the blanks game to practice the past perfect verb tense and its use in showing the sequence of events in the past. by Angel Torres 1 completed past perfect perfect past participle past auxiliary verb past verb tense conjunction sequence of events The is a used to talk about actions that were before a certain point in the past . It is formed by using the 'had' followed by the of the main verb . For example , 'I had finished my homework before my friend came over . ' In this sentence , the past perfect is used to show that the action of finishing homework was completed before the action of the friend coming over . The is often used in with the simple tense to show the in the past .